Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand at the zenith of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. Experience unparalleled performance and reliability in diverse applications with this engineering marvel. The valves are composed of three essential functional modules: connecting blocks, directional valves, and end plates, each meticulously crafted for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. These valves deftly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility, making them indispensable for any application.
The HLPSL valves are purposefully crafted for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications prioritizing efficiency. With their cutting-edge engineering and energy-efficient design, HLPSV valves are the standout solution for advanced hydraulic control needs, offering a perfect blend of precision, reliability, and efficiency.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50) offering a precise pressure value. This advanced safety feature ensures secure and reliable operations, safeguarding your equipment seamlessly.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This sophisticated component features adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, showcasing its unmatched versatility and precision. For those who value simplicity, /NF denotes no pressure limiting valve, tailored specifically for HLPSV. This essential feature guarantees optimal pressure control in diverse scenarios, making it a vital asset for your hydraulic applications.
(7) Product Series Classification - Representing the Epitome of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately designed to cater to every application, ensuring that you receive a product that precisely aligns with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless integration into your system.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, a cutting-edge 3-way flow controller managing both inlet and outlet for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered to deliver precision and efficiency.
(10) Valve core function symbols: Discover a wide-ranging selection of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet unique functionality requirements with precision.
(11) Output flow code for ports A & B: Boost efficiency with a range of maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, finely tuned for optimal performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all expressed in bar, ensuring a robust system safety framework.
(13) Function ON/OFF and pressure outlet options: Tailor your setup with custom options: N, without function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each offering precision control tailored to your needs.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously designed for comprehensive control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability in varied applications.
(16) End plate options: Discover our bespoke end plate selections designed to meet your unique needs: E1, the standard choice, featuring an external pilot oil discharge with an external oil return control port T; E2, mirroring E1, now enhanced with an added port Y for versatile applications; E3, equipped with a 2-position 3-way magnetic ball valve, expertly elevating system pressure to the safety valve threshold during power supply, ensuring optimal performance.
E4, paralleling E1 but with an internal pilot oil discharge, effectively sealing port T; E5, an evolution of E2, now with internal discharge capabilities; E6, an advancement of E3, each option guaranteeing intricate discharge management for superior operational control.
(17) Control voltage and the length of anti-explosion type cable options: Avail yourself of our carefully curated selections such as G12-12VDC, designed to ensure maximum safety and flawless compatibility with specialized applications, catering to your precise requirements.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of distinction. Our forte is in the precise research, development, manufacturing, and sales of top-tier hydraulic components. Our prestigious status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological progress and superior quality. This unyielding commitment propels us to the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, is a masterclass in advanced hydraulic system control. Skillfully crafted for construction machinery and heavy-duty equipment, this adaptable component is essential for critical applications such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pledge to deliver outstanding products, services, and solutions. Our ambition is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production typically spans about one month after we receive your payment. During this time, we meticulously prepare and implement rigorous quality control measures to ensure every product arrives in pristine condition. Our commitment is to deliver not just a product, but an exemplary experience that prioritizes your satisfaction with our faultless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, empowering you with the freedom to order even a single piece for sample validation. This flexibility allows you to embark on your projects effortlessly, precisely catering to your distinctive needs without the constraints of high volume orders.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by communicating your comprehensive requirements or intended applications with us. We will craft a bespoke quote tailored just for you, either based on your specifications or through our professional guidance. Once you approve the drawings and deposit a payment, we will finalize the order and initiate production. We assure meticulous adherence to every specification, offering you a smooth and personalized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, you can most certainly have your logo featured on the product. Please ensure you notify us formally before production begins, and confirm the design based on the sample we provide. This ensures your branding is represented with impeccable accuracy and superior workmanship, perfectly reflecting your brand identity.
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